Whether you teach elementary or secondary, English or Social Studies, you need to know about Tolerance.org. Created by the Southern Poverty Law Center, they focus on integrating tolerance into education. They strive to encourage diversity, acceptance, ingenuity, and equality for all peoples. Here are some of my favorite things about this website:

Professional Development- Everything from webinars to booklets for teachers and administrators to help encourage acceptance and growth in minorities and the under-privileged.